ckeditor.js error

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Win64; x64; Trident/4.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)
Timestamp: Sat, 23 Mar 2013 09:40:55 UTC

Message: Exception thrown and not caught
Line: 7
Char: 251
Code: 0
URI: http://localhost/wiskcon/ckeditor/ckeditor.js